#4F66D4#4F66D4

#4F66D4 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.2% C 0.170 H 270.9°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#4F66D4
RGB	rgb(79, 102, 212)
HSL	hsl(230, 61%, 57%)
HSV	hsv(230, 63%, 83%)
CMYK	cmyk(62.7%, 51.9%, 0%, 16.9%)
CIE-LAB	lab(46.87, 25.71, -59.41)
CIE-LCH	lch(46.87, 64.73, 293.40°)
OKLab	oklab(55.16% 0.0028 -0.1704)
OKLCH	oklch(55.16% 0.17 270.9)
XYZ	xyz(19.8555, 15.9168, 64.3005)
Luminance	0.1592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F66D4 #D4BD4F

analogous

#4FA9D4 #4F66D4 #7B4FD4

triadic

#4F66D4 #D44F66 #66D44F

tetradic

#4F66D4 #D44FA9 #D4BD4F #4FD47B

square

#4F66D4 #D44FA9 #D4BD4F #4FD47B

split-complementary

#4F66D4 #D47B4F #A9D44F

monochromatic

#213387 #2D45B9 #4F66D4 #8091E0 #B1BCEC

Accessibility & contrast

On white

5.02

#4F66D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#4F66D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F66D4

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F66D4	#FFFFFF	#000000	##FFFFFF
##4F66D4	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2375D8

Deuteranopia (green-blind)

#0069D2

Tritanopia (blue-blind)

#008093

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4f66d4;
/* rgb */ color: rgb(79, 102, 212);
/* oklch */ color: oklch(55.2% 0.170 270.9);

Tailwind

colors: {
  custom: {
    50: '#8d91e2',
    500: '#4f66d4',
    950: '#000000',
  },
}

SCSS

$custom: #4f66d4;
$custom-light: #8d91e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f66d4",
  "rgb": {
    "r": 79,
    "g": 102,
    "b": 212
  },
  "hsl": {
    "h": 229.624,
    "s": 60.731,
    "l": 57.059
  },
  "oklch": {
    "l": 0.55164,
    "c": 0.1704,
    "h": 270.9
  },
  "luminance": 0.15918
}

Semantic roles & 50–950 ramp

primary

#4F66D4

secondary

#DAD1A4

accent

#C844E4

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4F66D4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →